1. The utility model provides an automobile clutch release bearing is used in car production, includes outer race ring (1), its characterized in that: a heat dissipation and oil absorption assembly is arranged at the edge of the top of the outer bearing ring (1), and a lubricating guide assembly is arranged in the middle of one side of the outer bearing ring (1);

the utility model discloses a bearing device, including outer race ring (1), inboard bottom of outer race ring (1) is equipped with installing sleeve pipe (4), the inboard cover of installing sleeve pipe (4) is equipped with inner race ring (3) of slip adaptation, the inboard cover of inner race ring (3) is equipped with wear-resisting sleeve pipe (5), the top in the inner race ring (3) outside is equipped with interconnect's slip external member (2), the both sides that inner race ring (3) top is close to wear-resisting sleeve pipe (5) are equipped with convex shoulder (6).

2. The automobile clutch release bearing for automobile production according to claim 1, wherein: an upper sealing ring gasket (7) is arranged at the edge of the top of the heat-dissipation oil-absorption component, a lower sealing ring gasket (704) matched with the mounting sleeve (4) is arranged at the edge of the bottom of the outer bearing ring (1), the edge of the inner bottom of the outer bearing ring (1) is respectively provided with a heat conducting cavity (702) and a flow guiding cavity (706) which are connected with each other, the top of the outer side of the mounting sleeve (4) is provided with a communicating cavity (707), and the communicating cavity (707) is respectively communicated with the heat conducting cavity (702) and the flow guiding cavity (706), the edge of the bottom of the diversion cavity (706) is provided with an annular oil absorption cotton layer (705) which are communicated with each other, and the annular oil absorption cotton layer (705) corresponds to the gasket (704) of the lower sealing ring in position, the edge of the top inside the heat conducting cavity (702) is provided with a radiating fin (703), and the outer side of the heat conduction cavity (702) is provided with exhaust holes (701) which are communicated with each other.

3. The automobile clutch release bearing for automobile production according to claim 1, wherein: lubricated intermediate position department of direction subassembly one side is equipped with oiling mouth (8), the edge at the inside top of outer race ring (1) is equipped with holder (802), the inboard of holder (802) is evenly arranged and is equipped with ball (801), and ball (801) and slip external member (2) slip adaptation, the bottom of holder (802) is equipped with interconnect's annular spacing groove (804), one side of annular spacing groove (804) is equipped with honeycomb duct (803) that communicate each other with oiling mouth (8), the top of installation sleeve (4) is equipped with toper collar (805), the inboard edge of toper collar (805) is evenly arranged and is equipped with rolling element (806).

4. The automobile clutch release bearing for automobile production according to claim 1, wherein: the bottom of outer race ring (1) both sides is equipped with the setting element, and the inside of setting element is equipped with the location screw, the intermediate position department cover in the outer race ring (1) outside is equipped with the separation ring, and the separation ring corresponds the cooperation each other with exhaust hole (701), the bottom that the outer race ring (1) outside is close to the separation ring is equipped with the toper water conservancy diversion ring with setting element interconnect, and the top in the toper water conservancy diversion ring outside is equipped with the concave layer of arc, and the concave layer of arc is mutually supported with separation ring and exhaust hole (701).

5. The automobile clutch release bearing for automobile production according to claim 1, wherein: the edge of slip external member (2) outside bottom is equipped with half arc sliding layer, and half arc sliding layer and ball (801) sliding fit, the edge of slip external member (2) bottom has seted up sunken slide, and the inboard of sunken slide evenly arranges and is equipped with the small-size ball seat with rolling element (806) interconnect.

6. The automobile clutch release bearing for automobile production according to claim 1, wherein: the inboard of installing sleeve (4) is equipped with the inner circle axle sleeve, and inner circle axle sleeve and interior race ring (3) sliding fit, the top of installing sleeve (4) is equipped with the fixed lantern ring, and the fixed lantern ring respectively with water conservancy diversion chamber (706) and intercommunication chamber (707) and toper collar (805) interconnect, the bottom in interior race ring (3) outside is equipped with the outer lane axle sleeve, and outer lane axle sleeve and rolling element (806) sliding fit each other.

7. The automobile clutch release bearing for automobile production according to claim 2, wherein: go up the outside of sealing washer gasket (7) and lower sealing washer gasket (704) and all be equipped with fixed fastener, and fixed fastener and outer bearing ring (1) interconnect, the edge of the cotton layer of annular oil absorption (705) inside bottom is equipped with the annular and leads to the groove, and the annular leads to the groove and communicates each other with the cotton layer of annular oil absorption (705), the top of lower sealing washer gasket (704) is equipped with waterproof packing ring, and waterproof packing ring and the cotton layer of annular oil absorption (705) correspond the cooperation each other.

8. The automobile clutch release bearing for automobile production according to claim 2, wherein: heat conduction chamber (702) and water conservancy diversion chamber (706) and intercommunication chamber (707) and infiltration opening (708) all are the edge of annular structure assembly and outer bearing circle (1) inside bottom, the inside bottom in heat conduction chamber (702) is equipped with the toper water conservancy diversion seat of annular state, and the bottom of toper water conservancy diversion seat is equipped with annular infiltration net, and annular infiltration net and annular oil absorption cotton layer (705) correspond each other.

9. The automobile clutch release bearing for automobile production according to claim 3, wherein: the inside top cover of oiling mouth (8) is equipped with the sealing plug of mutual adaptation, the inboard of annular spacing groove (804) is equipped with the indent arc water conservancy diversion passageway of annular state, and indent arc water conservancy diversion passageway and ball (801) mutual adaptation, honeycomb duct (803) and indent arc water conservancy diversion passageway communicate each other.

Background

The clutch is used as a key part of a vehicle transmission system, is positioned between a power device and a load mechanism, can be switched between a combined state and a separated state through an operating mechanism, so that the power device and the load mechanism are combined or separated as required, the transmission or the cut-off of power is realized, the clutch separating bearing is arranged between the clutch and a speed changer, the separating bearing seat is loosely sleeved on the tubular extension part of the first shaft bearing cover of the speed changer, a shoulder of the separating bearing always supports against the separating fork through a return spring and retreats to the final position, and a clearance of about 3-4 mm is kept between the shoulder of the separating bearing and the end part of a separating lever.

When the current release bearing is in long-term operation, abrasion is gradually generated due to the joint contact with a clutch pressure plate, when the rotating speed of an engine is too high, the load and abrasion applied to the release bearing are also increased successively, and meanwhile, along with the continuous stress of the axle center of the release bearing, larger impact and vibration are formed on the inner ring and the outer ring of the release bearing, so that the normal rotation and guide work of the ball in the release bearing are influenced; when the abrasion degree generated by the release bearing and the clutch pressure plate is high, noise is generated in the clutch using process, which means that the balls are dislocated or even fall off under the influence of continuous impact on the internal structure of the release bearing, so that the release bearing cannot be normally used, and the value retention and the protection of the release bearing are reduced; in the long-term use process of the release bearing, lubricating oil is often injected into the ball in the release bearing for maintenance, so that the release bearing is more flexible and stable in operation, however, when an operator divides the release bearing and injects oil outside the release bearing, the oil is not easy to uniformly contact with the ball, and meanwhile, the possibility that the oil overflows and permeates into the internal structure of the release bearing exists, so that the oil leakage of the release bearing is caused, and the operation difficulty and inconvenience of the maintenance work of the release bearing are reduced; when release bearing actually functions, can produce a large amount of heats because of wearing and tearing, concentrate with the release bearing in, and general release bearing often plays fine sealed effect to release bearing's surface in order to prevent external fluid and water liquid infiltration to lead to the difficult rapid dissipation of heat in the release bearing, long-time long-pending stay in the release bearing very easily cause the influence to the rotatory guiding mechanism of ball, reduce the radiating efficiency of bearing in-service use.

Disclosure of Invention

The present invention is directed to a release bearing for automobile clutch used in automobile production to solve the above-mentioned problems.

In order to achieve the purpose, the invention provides the following technical scheme: the oil-cooling bearing comprises an outer bearing ring, wherein a heat-dissipating and oil-absorbing assembly is arranged at the edge of the top of the outer bearing ring, and a lubricating guide assembly is arranged in the middle of one side of the outer bearing ring;

the utility model discloses a bearing ring, including outer race ring, inboard bottom of outer race ring, the intermediate position department of outer race ring inboard bottom is equipped with the installation sleeve pipe, the inboard cover of installation sleeve pipe is equipped with the inner race ring of slip adaptation, the inboard cover of inner race ring is equipped with wear-resisting sleeve pipe, the top in the inner race ring outside is equipped with interconnect's slip external member, the both sides that the inner race ring top is close to wear-resisting sleeve pipe are equipped with the convex shoulder.

Preferably, the edge at heat dissipation oil absorption subassembly top is equipped with the sealing washer gasket, the edge of outer race ring bottom is equipped with the lower sealing washer gasket of mutually supporting with the mounting tube, the edge of the inside bottom of outer race ring is equipped with interconnect's heat conduction chamber and water conservancy diversion chamber respectively, the top in the mounting tube outside is equipped with the intercommunication chamber, and the intercommunication chamber communicates with heat conduction chamber and water conservancy diversion chamber respectively each other, the edge of water conservancy diversion chamber bottom is equipped with the cotton layer of annular oil absorption of mutual intercommunication, and the cotton layer of annular oil absorption corresponds with lower sealing washer gasket position, the edge at the inside top of heat conduction chamber is equipped with the fin, the outside in heat conduction chamber is equipped with the exhaust hole of mutual intercommunication.

Preferably, the intermediate position department of lubricated direction subassembly one side is equipped with the oiling mouth, the edge at the inside top of outer race ring is equipped with the holder, the inboard of holder is evenly arranged and is equipped with the ball, and ball and the slip external member slip adaptation, the bottom of holder is equipped with interconnect's annular spacing groove, one side of annular spacing groove is equipped with the honeycomb duct that communicates each other with the oiling mouth, installation sleeve's top is equipped with the toper collar, the inboard edge of toper collar is evenly arranged and is equipped with the rolling element.

Preferably, the bottom of outer race ring both sides is equipped with the setting element, and the inside of setting element is equipped with the location screw, the intermediate position department cover in the outer race ring outside is equipped with the separation ring, and separation ring and the cooperation of mutually corresponding in exhaust hole, the bottom that the outer race ring outside is close to the separation ring is equipped with the toper water conservancy diversion ring with setting element interconnect, and the top in the toper water conservancy diversion ring outside is equipped with the concave layer of arc, and the concave layer of arc is mutually supported with separation ring and exhaust hole.

Preferably, the edge of slip external member outside bottom is equipped with half arc sliding layer, and half arc sliding layer and ball sliding fit, sunken slide has been seted up to the edge of slip external member bottom, and the inboard of sunken slide evenly arranges and is equipped with the small-size ball seat with rolling element interconnect.

Preferably, the inboard of installing sleeve pipe is equipped with the inner circle axle sleeve, and inner circle axle sleeve and interior race sliding fit, installing sleeve pipe's top is equipped with the fixed lantern ring, and the fixed lantern ring respectively with water conservancy diversion chamber and intercommunication chamber and toper collar interconnect, the bottom in the interior race outside is equipped with the outer lane axle sleeve, and the mutual sliding fit of outer lane axle sleeve and rolling element.

Preferably, the outside of going up sealing washer gasket and lower seal washer gasket all is equipped with fixed fastener, and fixed fastener and outer race ring interconnect, the edge of the cotton in situ portion bottom of annular oil absorption is equipped with annular through groove, and annular through groove communicates with each other with the cotton layer of annular oil absorption, the top of lower seal washer gasket is equipped with waterproof packing ring, and waterproof packing ring and the cotton layer of annular oil absorption correspond the cooperation each other.

Preferably, heat conduction chamber and water conservancy diversion chamber and intercommunication chamber and infiltration opening all are the edge of annular structure assembly and the inside bottom of outer race ring, the bottom of heat conduction intracavity portion is equipped with the toper water conservancy diversion seat of annular state, and the bottom of toper water conservancy diversion seat is equipped with annular infiltration net, and annular infiltration net and the cotton layer of annular oil absorption correspond each other.

Preferably, the inside top cover of oiling mouth is equipped with the sealing plug of mutual adaptation, the inboard of annular spacing groove is equipped with the indent arc water conservancy diversion passageway of annular state, and indent arc water conservancy diversion passageway and ball mutual adaptation, the honeycomb duct communicates with each other with indent arc water conservancy diversion passageway.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention uses the structure adaptation of the sliding sleeve and the ball as the sliding guide structure in the first parallel surface state to drive the sliding sleeve to drive the inner bearing ring and the wear-resistant sleeve which are connected with each other to rotate, meanwhile, under the position limit of the retainer and the annular limit groove, the rotation of the ball is more stable, the tapered mounting ring and the rolling body are used as the sliding guide structure in the second inclined profile state to be mutually attached to the inner bearing ring, so that the balance and stability of the integral rotation of the sliding sleeve and the inner bearing ring are better, the two groups of guide structures are not easy to generate position looseness and offset due to the impact force in the axle center of the separation bearing, and is matched with the sleeving connection of the wear-resistant sleeve and the inner bearing ring to provide the wear-resistant effect in the release bearing, the bearing is combined with the release bearing which operates stably, the abrasion degree of the release bearing is effectively reduced, and the service life of the practical application of the release bearing is prolonged.

2. The invention utilizes the mutual cooperation of the heat dissipation and oil absorption components to ensure that a combined cavity formed by three groups of mutually communicated heat conduction cavities, flow guide cavities and communication cavities is obtained in the separation bearing, the cavity can be used as a heat gas inlet in the separation bearing through the permeation port to promote the gas to be mutually combined with the radiating fins under the guide cooperation of the heat conduction cavities, the radiating fins are utilized to absorb and radiate the gas, and the radiated heat is discharged from the exhaust holes, thereby increasing the automatic radiating function of the actual operation of the separation bearing, and the internal heat is taken out while the sealing effect of the separation bearing is maintained under the sealing and blocking of the upper sealing ring gasket, the lower sealing ring gasket and the blocking ring, reducing the possibility of excessive heat concentrating the inside of the separation bearing, and increasing the flexibility and the stability of the practical use of the separation bearing.

3. According to the invention, through the lubricating guide component, oil can be directly led to enter the annular limiting groove through the communication of the oil injection port and the flow guide pipe, and the concave arc-shaped flow guide channel arranged in the annular limiting groove is utilized to lead the oil to circulate around the channel, so that the surface of the ball is uniformly covered, and the ball in the separating bearing can be lubricated.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is a front view of the inner race of the present invention;

FIG. 6 is a perspective view of the mounting sleeve of the present invention;

fig. 7 is a perspective view of the cage of the present invention.

In the figure: 1. an outer bearing ring; 2. a sliding sleeve member; 3. an inner bearing ring; 4. installing a sleeve; 5. a wear-resistant sleeve; 6. a shoulder is formed; 7. an upper seal ring gasket; 701. an exhaust hole; 702. a heat conducting cavity; 703. a heat sink; 704. a lower seal ring gasket; 705. an annular oil absorbent cotton layer; 706. a flow guide cavity; 707. a communicating cavity; 708. a permeate port; 8. an oil filling port; 801. a ball bearing; 802. a holder; 803. a flow guide pipe; 804. an annular limiting groove; 805. a conical mounting ring; 806. and a rolling body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, an embodiment of the present invention is shown: a car clutch release bearing for car production comprises an outer bearing ring 1, wherein a heat dissipation and oil absorption assembly is arranged at the edge of the top of the outer bearing ring 1, and a lubrication guide assembly is arranged in the middle of one side of the outer bearing ring 1;

the intermediate position department of 1 inboard bottom of outer race ring is equipped with installing sleeve 4, and the inboard cover of installing sleeve 4 is equipped with the inner race ring 3 of slip adaptation, and the inboard cover of inner race ring 3 is equipped with wear-resisting sleeve 5, and the top in the 3 outsides of inner race ring is equipped with interconnect's slip external member 2, and the 3 tops of inner race ring are close to the both sides of wear-resisting sleeve 5 and are equipped with convex shoulder 6.

Specifically, as shown in fig. 1 and 2, through outer race ring 1 as the bearing main part, install slip external member 2, interior race ring 3 and wear-resisting sleeve pipe 5 as the rotation guide structure of bearing in outer race ring 1 respectively, and laminate each other according to installation sleeve pipe 4 to the outside of interior race ring 3, form limit function, through the interconnect of interior race ring 3 with slip external member 2, can surpass the appointed scope of wearing and tearing at slip external member 2 after, separate the change with slip external member 2 and interior race ring 3 alone, wear-resisting sleeve pipe 5 through the inboard cover of interior race ring 3 established contacts with the clamp plate of clutch, improve the function of resistance to wear of this structure.

Further, the edge at heat dissipation oil absorption subassembly top is equipped with sealing washer gasket 7, the edge of outer bearing ring 1 bottom is equipped with the lower sealing washer gasket 704 of mutually supporting with installation sleeve 4, the edge of the inside bottom of outer bearing ring 1 is equipped with interconnect's heat conduction chamber 702 and water conservancy diversion chamber 706 respectively, the top in the installation sleeve 4 outside is equipped with intercommunication chamber 707, and intercommunication chamber 707 communicates with heat conduction chamber 702 and water conservancy diversion chamber 706 each other respectively, the edge of water conservancy diversion chamber 706 bottom is equipped with the cotton layer 705 of annular oil absorption of mutual intercommunication, and the cotton layer 705 of annular oil absorption corresponds with lower sealing washer gasket 704 position, the edge at the inside top in heat conduction chamber 702 is equipped with fin 703, the outside in heat conduction chamber 702 is equipped with the exhaust hole 701 of mutual intercommunication.

Specifically, as shown in fig. 2 and fig. 3, the upper sealing ring gasket 7 and the lower sealing ring gasket 704 are used for sealing and protecting the upper part and the lower part of the outer bearing ring 1, after excessive heat is generated in the bearing, the excessive heat can permeate into the communicating cavity 707 through the circulation of the permeation through hole 708, water liquid or oil liquid carried in the heat can directly fall into the diversion cavity 706 to be absorbed under the cooperation of the annular oil absorption cotton layer 705, the generated heat can flow to the exhaust hole 701 from the heat conduction cavity 702, during the process, the heat is absorbed and cooled under the cooperation of the heat sink 703, and the hot gas is carried out of the bearing through the exhaust hole 701, so that the excessive heat source is prevented from being concentrated in the bearing.

Further, the intermediate position department of lubricated direction subassembly one side is equipped with oiling mouth 8, the edge at the inside top of outer race ring 1 is equipped with holder 802, the inboard of holder 802 is evenly arranged and is equipped with ball 801, and ball 801 and slip external member 2 slip adaptation, the bottom of holder 802 is equipped with interconnect's annular spacing groove 804, one side of annular spacing groove 804 is equipped with the honeycomb duct 803 that communicates each other with oiling mouth 8, the top of installation sleeve 4 is equipped with toper collar 805, the inboard edge of toper collar 805 is evenly arranged and is equipped with rolling element 806.

Specifically, as shown in fig. 2 and 3, the position of the ball 801 is limited by the retainer 802, the position of the rolling element 806 is limited by the tapered mounting ring 805, so that a set of parallel-surface guiding sliding structures and a set of inclined-surface guiding sliding structures are installed in the bearing, the two sets of sliding structures are respectively attached to the sliding sleeve 2 and the inner bearing ring 3, the rotating stability of the sliding sleeve 2 and the inner bearing ring 3 is effectively improved, and meanwhile, under the structural communication between the guide pipe 803 and the annular limiting groove 804, an operator can directly inject oil into the annular limiting groove 804 from the outside of the bearing, so that the ball 801 is uniformly contacted to perform lubrication.

Further, the bottom of 1 both sides of outer race is equipped with the setting element, and the inside of setting element is equipped with the location screw, and the intermediate position department cover in the 1 outside of outer race is equipped with the separation ring, and the separation ring corresponds the cooperation each other with exhaust hole 701, and the bottom that the 1 outside of outer race is close to the separation ring is equipped with the toper water conservancy diversion ring with setting element interconnect, and the top in the toper water conservancy diversion ring outside is equipped with the concave layer of arc, and the concave layer of arc is mutually supported with separation ring and exhaust hole 701.

Specifically, as shown in fig. 1 and 2, a protection structure for the outside of the bearing is formed by the mutual matching of the blocking ring and the conical diversion ring, and the arc-shaped concave layer, the blocking ring and the exhaust holes 701 correspond to each other, so that the hot gas flowing out of the bearing flows out under the guidance of the arc-shaped concave layer, and thus, the heat dissipation work can be performed without affecting the sealing effect of the bearing.

Further, the edge of the outside bottom of the sliding sleeve 2 is provided with a semi-arc-shaped sliding layer, the semi-arc-shaped sliding layer is in sliding fit with the balls 801, the edge of the bottom of the sliding sleeve 2 is provided with a sunken slideway, and the inner side of the sunken slideway is uniformly provided with small ball seats connected with the rolling bodies 806.

Specifically, as shown in fig. 2 and 3, a semi-arc sliding layer in an annular state is disposed below the sliding sleeve 2 as a third guiding structure, and the third guiding structure is matched with a small ball seat on the surface of the installation rolling element 806, so that the sliding sleeve 2 rotates more stably and stably, and the wear of the sliding sleeve 2 and the inner bearing ring 3 in long-term use is reduced.

Further, the inboard of installation sleeve 4 is equipped with the inner circle axle sleeve, and inner circle axle sleeve and the sliding fit of inner race ring 3, and the top of installation sleeve 4 is equipped with the fixed lantern ring, and the fixed lantern ring respectively with water conservancy diversion chamber 706 and intercommunication chamber 707 and toper collar 805 interconnect, the bottom in the 3 outsides of inner race ring is equipped with the outer lane axle sleeve, and the mutual sliding fit of outer lane axle sleeve and rolling element 806.

Specifically, as shown in fig. 1 and fig. 3, the inner bearing ring 3 is urged to rotate under the limiting effect of the inner bearing ring by the inner bearing sleeve provided in the mounting sleeve 4, the flow guide cavity 706, the communicating cavity 707 and the tapered mounting ring 805 are structurally connected by the fixed sleeve ring provided in the mounting sleeve 4 as the mounting position of the structure, and the outer bearing sleeve provided in the inner bearing ring 3 is in a sliding guide structure with an inclined profile corresponding to the rolling element 806, so that the inner bearing ring 3 is urged not to generate a position deviation during the rotation.

Further, the outside of going up sealing washer gasket 7 and lower sealing washer gasket 704 all is equipped with fixed fastener, and fixed fastener and outer race ring 1 interconnect, and the edge of the inside bottom in annular oil absorption cotton layer 705 is equipped with annular through groove, and annular through groove communicates each other with annular oil absorption cotton layer 705, and the top of lower sealing washer gasket 704 is equipped with waterproof gasket, and waterproof gasket and the mutual corresponding cooperation of annular oil absorption cotton layer 705.

Specifically, as shown in fig. 3, the fixing effect of the installation of the upper seal ring gasket 7 and the lower seal ring gasket 704 is improved, the subsequent disassembly work is facilitated, the oil absorption effect is improved by the mutual communication of the annular through groove and the annular oil absorption cotton layer 705, the overflowed oil is absorbed again by the waterproof gasket, and the oil leakage prevention effect in the bearing is improved.

Further, the heat conduction cavity 702, the flow guiding cavity 706, the communicating cavity 707 and the permeation port 708 are assembled in an annular structure and arranged at the edge of the inner bottom of the outer bearing ring 1, the inner bottom of the heat conduction cavity 702 is provided with an annular conical flow guiding seat, the bottom of the conical flow guiding seat is provided with an annular permeation net, and the annular permeation net corresponds to the annular oil absorption cotton layer 705.

Specifically, as shown in fig. 3, the conductivity of the oil or water liquid entering the heat conducting cavity 702 is increased, so that the oil and water liquid uniformly flow downward, and fall on the annular oil absorption cotton layer 705 to be absorbed by matching with the annular penetration net, thereby increasing the water absorption and oil absorption functions in the bearing.

Further, the inside top cover of oiling mouth 8 is equipped with the sealing plug of mutual adaptation, and the inboard of annular spacing groove 804 is equipped with the indent arc water conservancy diversion passageway of annular state, and indent arc water conservancy diversion passageway and ball 801 mutual adaptation, honeycomb duct 803 and indent arc water conservancy diversion passageway communicate each other.

Specifically, as shown in fig. 3 and 7, the annular concave arc-shaped guide channel arranged in the annular limiting groove 804 is used as a guide groove, so that the oil entering the groove is uniformly contacted with the ball 801 under the cooperation of manual rotation of the bearing, and the operability and convenience of lubricating liquid injection are improved.

The working principle is as follows: when the device is used, the mutual connection of the sliding sleeve 2, the inner bearing ring 3 and the wear-resistant sleeve 5 is used as a rotating structure in a bearing, when the wear-resistant sleeve 5 and the inner bearing ring 3 integrally rotate, the sliding sleeve 2 and the balls 801 can be rotationally matched to be used as a first guide structure, the rolling bodies 806 attached to the lower portion of the inner bearing ring 3 are used as a second guide structure, the semi-arc sliding layer and the small ball seats in an annular state are used as a third guide structure, so that the sliding sleeve 2 and the inner bearing ring 3 integrally rotate more stably and are not easy to generate position deviation, lubricating oil can be directly injected into the flow guide pipe 803 through the oil injection port 8 outside the outer bearing ring 1 to enter the annular limiting groove 804, the oil slides in the annular limiting groove 804 through the manual rotating bearing, the oil uniformly contacts the surfaces of the balls 801 to perform lubricating work, and when heat is generated in the bearing, in the intercommunication infiltration intercommunication chamber 707 of accessible infiltration port 708, gaseous can absorb the cooling through the cooperation of heat conduction chamber 702 with fin 703 this moment to discharge the heat from exhaust hole 701, and water liquid or fluid directly fall into the absorption in the cotton layer 705 of annular oil absorption under the direction of water conservancy diversion chamber 706, with the oil leakage of preventing outward, increase the functionality and the practicality of device.

The invention is not described in detail, but is well known to those skilled in the art.

Finally, it is to be noted that: although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.